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Posts Tagged ‘Bezymianny Volcano’

Volcanoes in a Dozen Global Regions Erupting

Posted by feww on May 19, 2013

Angry Pavlof continues to belch out ash, gas and steam

PAVLOF VOLCANO (CAVW #1102-03-)
55°25’2″ N 161°53’37” W, Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Ash, gas and steam emissions continue at Pavlof Volcano, as  seismic tremors and intense elevated surface temperatures persist, AVO reported.

Pavlof volcano eruption column 18May2013 T-Chesley
Pavlof volcano eruption column, May 18, 2013 (12:00am AKDT). Photo courtesy Theo Chesley/AVO.

Other Alaska Volcanoes

CLEVELAND VOLCANO (CAVW #1101-24-)
52°49’20” N 169°56’42” W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Elevated surface temperatures at the summit of Cleveland Volcano were observed in satellite images Saturday morning AKDT, AVO reported.

Hawaii Volcanoes

KILAUEA VOLCANO (CAVW #1302-01-)
19°25’16” N 155°17’13” W, Summit Elevation 4091 ft (1247 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Activity Summary: At the summit, tiltmeters recorded the start of DI inflationary tilt and the lava lake level rose. At Pu`u `O`o vent in the middle east rift zone, there was no new activity within the crater but the Kahauale`a II lava flow remained active on the north base of the cone. To the southeast, the Peace Day pali flow remained active on the coastal plain while the main flow branch continued to enter the ocean in at least 2 locations spanning the Hawai`i Volcanoes National Park boundary. Gas emissions remained elevated. (HVO)

Recent Observations at the middle east rift zone vents: Only glow was seen from the east lava pond and spatter cones on the crater floor. The tiltmeter on the north flank of Pu`u `O`o cone recorded the start of DI inflationary tilt at 8 pm yesterday. GPS receivers on the north rim and south base of Pu`u `O`o cone recorded neither extension nor contraction since May 12. The most recent (preliminary) sulfur dioxide emission rate measurement was 300 tonnes/day on April 26, 2013, from all east rift zone sources; these values have ranged between 150 and 450 t/d in 2013; these measurements are made at a greater distance from the sources where the plume is more easily characterized.

New Activity/Unrest
[Source: AVO, HVO, GVP and others]

  • Cleveland, Chuginadak Island (ALASKA)
  • Copahue, Central Chile-Argentina border
  • Dieng Volcanic Complex, Central Java (Indonesia)
  • Guntur, Western Java (Indonesia)
  • Mayon, Luzon (Philippines)
  • Pavlof, Alaska Peninsula
  • Popocatépetl, México
  • Tungurahua, Ecuador

Ongoing Activity

  • Kilauea, Hawaii (USA)
  • Kizimen, Eastern Kamchatka (Russia)
  • Karymsky, Kamchatka (Russia)
  • Paluweh, Lesser Sunda Islands (Indonesia)
  • Reventador, Ecuador
  • Sabancaya, Perú
  • Sakura-jima, Kyushu (Japan)
  • Shiveluch, Central Kamchatka (Russia)
  • Tolbachik, Central Kamchatka (Russia)
  • Bezymianny, Kamchatka (Russia) YELLOW
  • Gorely Volcano  YELLOW

VONA/KVERT DAILY REPORT – May 17, 2013
Kamchatkan and Northern Kuriles Volcanic Activity

SHEVELUCH VOLCANO (CAVW #1000-27-)
56.64 N, 161.32 E; Elevation 10768 ft (3,283 m), the dome elevation ~8200 ft (2500 m)
Aviation Color Code is
ORANGE

Moderate seismic activity continues at the volcano. Video images showed a moderate gas-steam eruption and incandescence above the lava dome. Satellite data showed a thermal anomaly over the volcano.

PLOSKY TOLBACHIK VOLCANO (CAVW #1000-24-)
55.83 N, 160.39 E; Elevation 10119 ft (3085 m)
Aviation Color Code is ORANGE

Strong seismicity occurring at the volcano. The amplitude of volcanic tremor was up to 3.2 mcm/s. Explosive-effusive eruption continues: lava continues to effuse from the Southern fissure on Tolbachinsky Dol. A thermal anomaly was noted on satellite images at the northern area of Tolbachinsky Dol.

KIZIMEN VOLCANO (CAVW #1000-23-)
55.13 N, 160.32 E; Elevation 8151 ft (2485 m)
Aviation Color Code is
ORANGE

Moderate seismic activity continues at Kizimen. Video images  showed growth of an extrusion at the volcano summit continues. Incandescence of the volcano summit, hot avalanches on the western and eastern volcanic flanks, and strong and moderate gas-steam activity accompany this process. Satellite data showed the volcano was obscured by clouds.

KARYMSKY VOLCANO (CAVW #1000-13-)
54.05 N, 159.44 E; Elevation 4874 ft (1486 m)
Aviation Color Code is
ORANGE

There was no seismic data due to technical reasons. Satellite images  were obscured by clouds.

BEZYMIANNY VOLCANO (CAVW #1000-25-)
55.97 N, 160.6 E; Elevation 9453 ft (2882 m)
Aviation Color Code is YELLOW

Strong seismic activity at Tolbachinsky Dol obscured seismicity of Bezymianny. WebCam images obscured by clouds.  Satellite data showed a thermal anomaly over the volcano.

GORELY VOLCANO (CAVW #1000-07-)
52.56 N, 158.03 E; Elevation 5996 ft (1828 m)
Aviation Color Code is YELLOW

Moderate seismic activity continues at Gorely. Volcano was obscured by clouds.

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Messages From Earth’s Powerhouse

Posted by feww on September 20, 2009

Are You Receiving, Over?

Images of the Day: Kamchatka Volcanoes

Sheveluch volcano by Yu Demyanchuk
L
ava flows from the dome of Sheveluch volcano in this night time photo taken on September 15, 2009. Photo by Yu. Demyanchuk. Click on the image to see other photos. Sheveluch is the northernmost active volcano in Kamchatka.

Strombolian activity of Klyuchevskoy volcano on September 18-2009 Photo by Yu Demyanchuk
Strombolian activity of Klyuchevskoy volcano on September 18. Photo by Yu. Demyanchuk. Klyuchevskoy is the highest mountain on Russia’s Kamchatka Peninsula.

Fumarolic activity of Bezymianny volcano on September 03-2009
Fumarolic activity of Bezymianny volcano on September 03, 2009.  Photo by Yu. Demyanchuk. Considered to be extinct before its 1955 eruption,  Bezymianny  means “nameless” in Russian.

Karymsky volcano on August 18-2009 Photo by S Chirkov
Karymsky volcano on August 18, 2009. Photo by S. Chirkov. Karymsky is the most active volcano of Kamchatka’s eastern volcanic zone.

Images may be subject to copyright. See KVERT for details.

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Bezymianny Volcano on Russia’s Kamchatka peninsula erupts

Posted by msrb on August 20, 2008

PETROPAVLOVSK-KAMCHATSKY. The Bezymianny Volcano on Russia’s Kamchatka peninsula has erupted, Itar-Tass reported.

During the period of unrest, it emitted an ash column with a diameter of about 100 km.

The eruption was forecast prior to the unrest. The Bezymianny Volcano (2,800m high) is one of 28 active volcanoes on the peninsula. Bezymianny erupts explosively once or twice each year. The eruptions can last up to several days.

During its most powerful eruption in 1956, Bezymianny dome exploded collapsing about 280m of its summit (reduced from 3080 to 2800m). It ejected about one cubic kilometer volcanic debris in a very short time. [See VEI below.]

Bezymianny Volcano on Russia’s Kamchatka peninsula. Photo: Itar-Tass. Image may be subject to copyright. See Fair Use Notice!

More …

Volcanic Explosivity Index (VEI)

The Volcanic Explosivity Index (VEI) was devised by Chris Newhall of the U.S. Geological Survey and Steve Self at the University of Hawaiʻi in 1982 to provide a relative measure of the explosiveness of volcanic eruptions.

VEI and ejecta volume correlation. Credit: USGS (Via Wikipedia)

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